Troubleshoot dns

1. What are common DNS issues?
2. How to resolve DNS in CMD?
3. How to debug DNS Windows 10?
4. What causes a DNS failure?
5. What is DNS failure?
6. How to refresh DNS in cmd?
7. Is it OK to clear DNS cache?
8. What are the three 3 types of DNS queries?
9. What does using 8.8 8.8 for DNS do?
10. What are the 3 types of DNS?
11. What are 2 methods of DNS attacks?
12. Can a DNS server be hacked?

What are common DNS issues?

High DNS latency equals high loading times. High DNS latency can be as a result of the DNS name servers not being in close geographic proximity to a large percentage of users who visit your site. Another reason might be network congestion.

How to resolve DNS in CMD?

Go to Start and type cmd in the search field to open the command prompt. Alternatively, go to Start > Run > type cmd or command. Type nslookup and hit Enter. The displayed information will be your local DNS server and its IP address.

How to debug DNS Windows 10?

Type eventvwr. msc at an elevated command prompt and press ENTER to open Event Viewer. In Event Viewer, navigate to Applications and Services Logs\Microsoft\Windows\DNS-Server. Right-click DNS-Server, point to View, and then click Show Analytic and Debug Logs.

What causes a DNS failure?

Typically, DNS errors are caused by problems on the user end, whether that's with a network or internet connection, misconfigured DNS settings, or an outdated browser. They can also be attributed to a temporary server outage that renders the DNS unavailable.

What is DNS failure?

(Domain Name System failure) The inability of a DNS server to convert a domain name to an IP address in a TCP/IP network. A DNS failure may occur within a company's private network or within the Internet.

How to refresh DNS in cmd?

1.At the bottom left corner, type 'cmd' in the Start menu's search bar, and press Enter. 2. Type 'ipconfig /flushdns' in the Command Prompt, and press Enter.

Is it OK to clear DNS cache?

If you need clear DNS cache from client side for every 15 minutes, it is OK. After these caches were cleared, if needed, the client will re-query these records from DNS server.

What are the three 3 types of DNS queries?

3 types of DNS queries—recursive, iterative, and non-recursive.

What does using 8.8 8.8 for DNS do?

8.8. 8.8 is the primary DNS server for Google DNS. Google DNS is a public DNS service that is provided by Google with the aim to make the Internet and the DNS system faster, safer, secure, and more reliable for all Internet users.

What are the 3 types of DNS?

There are three main kinds of DNS Servers — primary servers, secondary servers, and caching servers.

What are 2 methods of DNS attacks?

Types of DNS attacks include: Zero-day attack. The attacker exploits a previously unknown vulnerability in the DNS protocol stack or DNS server software. Cache poisoning.

Can a DNS server be hacked?

A DNS name server is a highly sensitive infrastructure which requires strong security measures, as it can be hijacked and used by hackers to mount DDoS attacks on others: Watch for resolvers on your network — unneeded DNS resolvers should be shut down.